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1 st Paleopathology Association Meeting in South America Foto rio Márcia Vaz, MD.

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Presentation on theme: "1 st Paleopathology Association Meeting in South America Foto rio Márcia Vaz, MD."— Presentation transcript:

1 1 st Paleopathology Association Meeting in South America Foto rio Márcia Vaz, MD

2 Medicolegal identification of skeletal remains through antemortem bone changes The experience of the Medical Examiner’s Office in Porto Alegre, Brazil

3 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America State population: 10,187,798 (2000 Census - IBGE)

4 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America Skeletal Remains

5 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America Positive Identification

6 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America Case 1  August 2000  Found in Viamão  Skeletal human remains, no clothes  Presumed to be R.M.S.C

7 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America Case 1- Findings  White, 40 to 50-year-old female, cm tall.  Right tibia and fibula with fracture callus in lower thirds, joined by bone bridge.

8 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America Case 1 – Presumed decedent  R.M.S.C  X-rays and hospitalization records (1998 and 1999)  Case 1 – Conclusion:  No negative matches and number of positive matches confirmed identification.

9 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America Case 2  February 2000  Found in Nonoai  Decomposed and clothed human remains  Presumed to be J.P.C.

10 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America Case 2 – Findings  White, 26 to 35-year-old male, cm tall  Left radius – fracture callus in upper third of diaphysis  Left ulna – callus at junction of upper and middle thirds of interosseous margin  Left femur – fracture callus and steel wire in middle third of diaphysis, metal rod in proximal half.

11 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America Case 2 – Presumed decedent  J.P.C.  Radiographic studies (07/23/96 and 08/14/96): Left forearm: fracture in transition from proximal to middle thirds. Left thigh: complete fracture in middle third of femur. Firearm projectiles. Metal rod to control femur fracture fixation

12 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America Case 2 – Conclusion  No negative matches and number of positive matches confirmed J.P.C. identification.

13 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America Case 3  August 2004  Found in Venâncio Aires  Human remains with adipocere formation.  Presumed to be Z.M.S.

14 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America Case 3 – Findings  White, > 40-year-old female, 160 – 164 cm tall.  External female genitals  Right femur – fracture callus in distal end of diaphysis and distal epiphysis

15 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America Case 3 – Presumed decedent  Z.M.S.  X-rays of right thigh and knee (09/04/00 and 09/17/00): metal plate and screws in fracture of distal third of right femur.  Medical records: three hospitalizations – removal of plate and screws, and treatment of right femur post-traumatic arthritis.

16 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America Case 3 – Conclusion  Comparison of medical records and radiographic studies with results of medicolegal examination revealed only positive matches. The absence of negative matches confirmed Z.M.S identification.

17 Medical Examiner’s Office - Porto Alegre, Brazil 1 st Paleopathology Association Meeting in South America Conclusions  Anatomical changes due to fractures provide an efficient method of identification of skeletal and decomposed human remains when comparison elements are available.  In our community, it is difficult to obtain medical, hospital and dental records.  Identification by DNA profiling is the most frequently used identification method in our Service.

18 Medical Examiner’s Office - Porto Alegre, Brazil Forensic Anthropology Service


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